World Resorts USA Jersey City Weather

Jersey City sea water temperature

Current sea water temperature:
+40.3°F
Minimum sea water temperature in December: 54.0°F
Maximum sea water temperature in December: 39.4°F
Average sea water temperature in December: 46.0°F

Sea water temperature for the last 10 days:

December 24 40.3°F December 19 40.6°F
December 23 40.1°F December 18 39.4°F
December 22 41.0°F December 17 41.9°F
December 21 40.8°F December 16 41.7°F
December 20 41.9°F December 15 41.5°F

When is the warmest sea in Jersey City?

Based on the data about daily sea water temperature for the last three years the warmest sea in Jersey City was noticed in August, July and September.

Monthly Sea Temperatures in Jersey City, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 74.8°F. The highest and lowest sea temperatures during the month were 78.3°F and 72.0°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 75.4°F. The highest and lowest sea temperatures during the month were 79.3°F and 72.9°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 71.2°F. The highest and lowest sea temperatures during the month were 72.7°F and 69.4°F.

Best time for vacation in Jersey City

Sunniest months:
November 16 days
September 15 days
October 15 days
Warmest months:
July 85.0 °F
August 82.3 °F
June 78.2 °F
Warmest sea temp:
August 74.9 °F
July 74.7 °F
September 71.8 °F
Coldest months:
January 37.8 °F
February 39.2 °F
December 42.5 °F
Rainiest months:
July 3 days
August 3 days
September 3 days
Windiest months:
April 10.0 mph
March 10.0 mph
January 9.6 mph

Jersey City on a weather map

Jersey City
+37°F
SE 16 mph
Feels like: +30°F
Precip.: 0%
Places in USA:
Name
°F
+43°F
+73°F
+73°F
+50°F
+61°F
+70°F
+75°F
+64°F
+37°F
+61°F
+55°F
+61°F
+61°F
+68°F
+36°F
24 Hours Forecast
Jersey City
Local time: 08:49
December 24, wednesday
0900
37°F
SE
16 mph
1200
41°F
SE
17 mph
1500
43°F
SE
15 mph
1800
37°F
SE
11 mph
2100
32°F
S
4 mph
December 25, thursday
0000
30°F
E
1 mph
0300
28°F
NE
4 mph
0600
28°F
NE
4 mph
Units of measurement: °C / °F